a ‧ ton ‧ al /eɪˈtəʊn ə l, æ- $ -ˈtoʊ-/ BrE AmE adjective
a piece of music that is atonal is not based on a particular ↑ key 2 (4)
—atonality /ˌeɪtəʊˈnæləti, ˌeɪtəʊˈnælɪti, ˌæ- $ -toʊ-/ noun [uncountable]
a ‧ ton ‧ al /eɪˈtəʊn ə l, æ- $ -ˈtoʊ-/ BrE AmE adjective
a piece of music that is atonal is not based on a particular ↑ key 2 (4)
—atonality /ˌeɪtəʊˈnæləti, ˌeɪtəʊˈnælɪti, ˌæ- $ -toʊ-/ noun [uncountable]
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012